{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "process characterization", "enabling technology", "biomedical", "manufacturing standard", "process parameter"], "input": "Defining the optimum material distribution function requires extensive knowledge of material data that includes the chemical composition , its characteristics and the manufacturing constraints ."}
{"concept or principle": ["distribution", "data", "chemical composition", "manufacturing constraints"], "process characterization": [], "enabling technology": [], "biomedical": [], "manufacturing standard": [], "process parameter": []}